noun🔗ShareReyezuelos fueguinosA very small passerine bird, Regulus ignicapillus, that breeds in Eurasia."While hiking in the European forest, we spotted several tiny firecrests flitting among the branches. "Mientras caminábamos por el bosque europeo, vimos varios reyezuelos fueguinos diminutos revoloteando entre las ramas.birdanimalnaturebiologyorganismChat with AIVocabulary GamePractice Reading